<template>
    <div class="ratingselect">
        <div class="rating-type border-1px" >
            <span @click="select(2,$event)" class="block positive" :class="{ 'active':selectType===2}">{{ desc.all }}<span class="count"></span>{{ ratings.length }}</span>
            <span @click="select(0,$event)" class="block positive" :class="{'active':selectType===0}">{{ desc.positive }}<span class="count"></span>{{ positives.length }}</span>
            <span @click="select(1,$event)" class="block negative" :class="{'active':selectType===1}">{{ desc.negative }}<span class="count"></span>{{ negatives.length }}</span>
        </div>
        <div @click="toggleContent" class="switch" :class="{'on':onlyContent}">
            <span class="icon-check_circle"></span>
            <span class="text">只看有内容的评价</span>
        </div>
    </div>
</template>

<script>
var POSITIVE = 0
var NEGATIVE = 1
var ALL = 2
export default {
    props:{
        ratings: {
            type: Array,
            default(){
                return []
            }
        },
        selectType: {
            type: Number,
            default: ALL
        },
        onlyContent: {
            type: Boolean,
            default: false
        },
        desc: {
            type: Object,
            default(){
                return {
                    all: '全部',
                    positive: '满意',
                    negative: '不满意'
                }
            }
        }
    },
    data() {
        return {
            typeSelected: this.selectType,
            contOnly: this.onlyContent
        }
    },
    computed: {
        positives(){
            return this.ratings.filter((rating) =>{
                return rating.rateType === POSITIVE
            })
        },
        negatives(){
            return this.ratings.filter((rating) => {
                return rating.rateType === NEGATIVE
            })
        }
    },
    methods: {
        select(type,event){
            if(!event._constructed){
                return
            }
            this.typeSelected = type
            this.$emit('change',type)
        },
        toggleContent(event){
            if(!event._constructed){
                return
            }
            this.contOnly = !this.contOnly
            this.$emit('toggle',this.contOnly)
        }
    }
}
</script>

<style lang="stylus" rel="stylesheet/stylus">
    @import "../../common/stylus/mixin.styl"
    .ratingselect
        .rating-type
            padding: 18px 0
            margin: 0 18px
            border-1px(rgba(7,17,27,0.1))
            font-size: 0
            .block
                display: inline-block
                padding: 8px 12px
                margin-right: 8px
                line-height: 16px
                border-radius: 1px
                font-size: 12px
                color: rgb(77,85,93)
                &.active
                    color: #fff
                .count
                    margin-left: 2px
                    font-size: 8px
                &.positive
                    background: rgba(0,160,220,0.2)
                    &.active
                        background: rgb(0,160,220)
                &.negative
                    background: rgba(77,85,93,0.2)
                    &.active
                        background: rgb(77,85,93)
        .switch
            padding: 12px 18px
            line-height: 24px
            border-bottom: 1px solid rgba(7,17,27,0.1)
            color: rgb(147,153,159)       
            font-size: 0
            &.on
                .icon-check_circle
                    color: #00c850
            .icon-check_circle  
                display: inline-block
                vertical-align: top
                margin-right: 4px   
                font-size: 24px
            .text
                display: inline-block
                vertical-align: top
                font-size: 12px

</style>